A1 Journal article (refereed)
Synthesis, crystal structure, DFT and biological activity of E-pyrene-1-carbaldehyde oxime and E-2-naphthaldehyde oxime (2020)

Lasri, J., Soliman, S. M., Elsilk, S. E., Haukka, M., & El-Faham, A. (2020). Synthesis, crystal structure, DFT and biological activity of E-pyrene-1-carbaldehyde oxime and E-2-naphthaldehyde oxime. Journal of Molecular Structure, 1207, Article 127848. https://doi.org/10.1016/j.molstruc.2020.127848

JYU authors or editors

Publication details

All authors or editors: Lasri, Jamal; Soliman, Saied M.; Elsilk, Sobhy E.; Haukka, Matti; El-Faham, Ayman

Journal or series: Journal of Molecular Structure

ISSN: 0022-2860

eISSN: 1872-8014

Publication year: 2020

Volume: 1207

Article number: 127848

Publisher: Elsevier

Publication country: Netherlands

Publication language: English

DOI: https://doi.org/10.1016/j.molstruc.2020.127848

Publication open access: Not open

Publication channel open access:


The aldoximes E-pyrene-1-carbaldehyde oxime 1 and E-2-naphthaldehyde oxime 2 were synthesized, in ca. 90% yield, by treatment of pyrene-1-carbaldehyde or 2-naphthaldehyde, respectively, with hydroxylamine hydrochloride and sodium carbonate in MeOH. Compounds 1 and 2 were characterized by IR, 1H and 13C{1H} NMR spectroscopies, elemental analyses and single crystal X-ray diffraction (in the case of 1). The studied system (compound 1) showed significant amounts of H⋯H (44.4%), C⋯H (25.4%) and C⋯C (13.3%) intermolecular interactions in addition to the short N⋯H (5.9%) and O⋯H (6.2%) intermolecular interactions. These interactions affect the molecular packing of the studied system in the crystal. The structure of 1 was optimized using DFT calculations and the calculated structure was found to well agree with the reported X-ray structure. Moreover, compound 1 is polar with dipole moment of 0.764 Debye using B3LYP/6-311G(d,p) method. The antimicrobial activities of the newly synthetized oximes 1 and 2 and the previously reported E-1-naphthaldehyde oxime 3 and E-9-phenanthrenecarboxaldehyde oxime 4 were examined against various pathogenic microbes. The oximes 1 and 3 were recorded to be the most effective oximes as antimicrobial agents against the tested microorganisms. The increase of compound concentration lead to a higher antimicrobial activity and an increase of K+ flow from the microorganism.

Keywords: organic compounds; antimicrobial compounds; chemical synthesis; crystallography; density functional theory

Free keywords: E-aldoximes; crystal structure; DFT; antimicrobial; K+ flow

Contributing organizations

Ministry reporting: Yes

Reporting Year: 2020

JUFO rating: 1

Last updated on 2021-07-07 at 21:38